CN101410261A - Cooling system, automobile mounted with the system, and method of controlling cooling system - Google Patents

Cooling system, automobile mounted with the system, and method of controlling cooling system Download PDF

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Publication number
CN101410261A
CN101410261A CNA2007800111248A CN200780011124A CN101410261A CN 101410261 A CN101410261 A CN 101410261A CN A2007800111248 A CNA2007800111248 A CN A2007800111248A CN 200780011124 A CN200780011124 A CN 200780011124A CN 101410261 A CN101410261 A CN 101410261A
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CN
China
Prior art keywords
air
air supply
supply pattern
cooling system
switching
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Granted
Application number
CNA2007800111248A
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Chinese (zh)
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CN101410261B (en
Inventor
菊池义晃
石原铁也
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Toyota Motor Corp
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Toyota Motor Corp
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Publication of CN101410261B publication Critical patent/CN101410261B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
    • B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
    • B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
    • B60H1/00764—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a vehicle driving condition, e.g. speed
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    • B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
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    • B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
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    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
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    • B60K6/445—Differential gearing distribution type
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    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • H—ELECTRICITY
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    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W2555/00—Input parameters relating to exterior conditions, not covered by groups B60W2552/00, B60W2554/00
    • B60W2555/20—Ambient conditions, e.g. wind or rain
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles

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  • Chemical & Material Sciences (AREA)
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  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
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Abstract

In a cooling system, an indoor air suction mode and an A/C air suction mode are changed over between each other by a damper, where the indoor air suction mode is mode where air in an occupant compartment is sucked by driving a blower fan for a battery and sending it to the battery and the A/C air suction mode is a mode where air cooled by driving an air conditioner (evaporator) is sucked by the blower fan and sent to the battery. The damper is changed over immediately when vehicle speed V is equal to or higher than a predetermined vehicle speed Vref (S220-S240), and when the vehicle speed V is lower than the predetermined speed, the changeover of the damper is inhibited (S250, S260). The damper is adapted to be changed over only when the vehicle speed V is equal to or higher than the predetermined vehicle speed Vref, and also, when vehicle speed is high, wind noise occurring when the damper is changed over can be masked by noise (background noise) caused by traveling. As a result, the changeover does not cause the driver or an occupant unpleasant.

Description

Cooling system, be mounted with the control method of the automobile and the cooling system of this system
Technical field
The present invention relates to be used to cool off the cooling system that is loaded in the electrical storage device on the automobile, the control method that is mounted with the automobile and the cooling system of this system.
Background technology
All the time, as this type of cooling system, a kind of cooling system has been proposed, it is loaded on the vehicle, by air door at aspirated air in the compartment or outside the compartment and to the path of storage battery air-supply with suck by the air of evaporator cools and between the path of storage battery air-supply, switch, thereby storage battery is cooled off (for example with reference to patent document 1 and patent document 2).This cooling system can maintain storage battery in the suitable range of temperatures by the switching air doors such as temperature according to storage battery.
Patent document 1: TOHKEMY 2005-93434 communique
Patent document 2: TOHKEMY 2005-254974 communique
Summary of the invention
In the cooling system of said structure, when cooling accumulator along with producing abnormal sound to the blowing engine of storage battery air-supply and the work of air door.Because the cooling of storage battery is normally carried out under the situation that chaufeur and passenger not have to note, so the abnormal sound that takes place during cooling accumulator can bring uncomfortable feeling to chaufeur and passenger.
The purpose of the control method of cooling system of the present invention, the automobile that is mounted with this system and cooling system is, suppresses owing to the abnormal sound when the electrical storage devices such as cooling accumulator brings uncomfortable feeling for chaufeur and passenger.
To achieve these goals, the control method of cooling system of the present invention, the automobile that is mounted with this system and cooling system has adopted following apparatus and method.
Cooling system of the present invention is, is used to cool off the cooling system that is loaded in the electrical storage device on the automobile, has:
Blowing unit, it has air that sucks different places and a plurality of air supply patterns of blowing to described electrical storage device;
The air supply pattern switch unit, it switches this a plurality of air supply patterns by each air-supply passage of described a plurality of air supply patterns is opened and cut off;
Noise level detects presumption units, and it is used to detect or infers noise level in the compartment;
Control unit, it is passing through described air supply pattern switch unit under the state of described electrical storage device air-supply, when the switching of receiving described air supply pattern requires, according to the noise level of described detection or supposition, control described blowing unit and described air supply pattern switch unit switches described air supply pattern.
In cooling system of the present invention, under the state of electrical storage device air-supply, when the switching of receiving air supply pattern required, according to the noise level in the compartment, control blowing unit and air supply pattern switch unit switched air supply pattern by the air supply pattern switch unit.Described air supply pattern switch unit is opened and is cut off to the air that sucks different places and to each air-supply passage of a plurality of air supply patterns of electrical storage device air-supply and switches and switch a plurality of air supply patterns.Owing to cover the abnormal sounds such as air-flow noise that the running of following the air supply pattern switch unit produces,, just can suppress chaufeur and passenger are brought uncomfortable feeling by switching air supply pattern according to the noise level in the compartment by the noise in the compartment.
In cooling system of the present invention, described control unit also can be, if the noise level of described detection or supposition is more than prescribed level, control described blowing unit and described air supply pattern switch unit and switch to air supply pattern according to described switching requirement, if and the noise level of described detection or supposition is lower than described prescribed level, ignore described switching requirement, described blowing unit and described air supply pattern switch unit are controlled to the air supply pattern of keeping current setting.When the switching of receiving air supply pattern requires, treat that noise level in the compartment reaches prescribed level and just switches air supply pattern when above, just can suppress chaufeur and passenger are brought the running of following cooling electrical storage device and air supply pattern switch unit and the abnormal noise of the air-flow noise that produces etc. and the sticky feeling that causes.
In addition, cooling system of the present invention also can have the interior environment system that carries out the air regulation in the compartment, and described a plurality of air supply pattern comprises, suck in the compartment or the air the compartment outside and directly to first air supply pattern of described electrical storage device air-supply with suck the air that cools off by described interior environment system and second air supply pattern of blowing to described electrical storage device.
In cooling system of the present invention with this first air supply pattern and second air supply pattern form, also can for, require when receiving from described first air supply pattern when the switching of described second air supply pattern requires as described switching, if the noise level of described detection or supposition is more than prescribed level, described control unit controls described blowing unit and described air supply pattern switch unit switches to described second air supply pattern, if and the noise level of described detection or supposition is lower than described prescribed level, controls described blowing unit and described air supply pattern switch unit and keep described first air supply pattern and make air-supply increment to described electrical storage device.Like this, just can suppress owing to the cooling deficiency of keeping the electrical storage device that first air supply pattern causes.
In addition, in cooling system of the present invention with first air supply pattern and second air supply pattern form, described control unit also can for, require to receive from described second air supply pattern when the switching of described first air supply pattern requires as described switching, if the noise level of described detection or supposition is more than prescribed level, control described blowing unit and described air supply pattern switch unit switches to described first air supply pattern, if and the noise level of described detection or supposition is lower than described prescribed level, controls described blowing unit and described air supply pattern switch unit and keep described second air supply pattern and make control unit to the air-supply decrement of described electrical storage device.Like this, just can suppress owing to the unnecessary cooling of keeping the electrical storage device that second air supply pattern causes.
And then, in cooling system of the present invention with first air supply pattern and second air supply pattern form, described second air supply pattern also can for, with the institute of the air regulation in compartment required airflow with should blow to the air quantity of the air quantity sum of described electrical storage device, move described interior environment system, and suck should blow to the air quantity of this electrical storage device, by the air of this interior environment system cooling and to the pattern of described electrical storage device air-supply.Like this, just can be suppressed at and bring influence for when being in second air supply pattern air regulation in the compartment.
In addition, in cooling system of the present invention, described control unit also can for, when receiving that described switching requires, described control unit is further according to the air quantity to the air-supply of described electrical storage device, controls described blowing unit and described air supply pattern switch unit switches described air supply pattern.Because by the air quantity to the electrical storage device air-supply, the measurable sound levels of following the running of air supply pattern switch unit and producing so switch air supply pattern according to this air quantity, just can suppress chaufeur and passenger are brought uncomfortable feeling more reliably.
In addition, in cooling system of the present invention, described noise level detects presumption units also can have the speed of a motor vehicle detecting unit that detects the speed of a motor vehicle, and sets described noise level according to the described detected speed of a motor vehicle.
In addition, in the cooling system of the present invention on being loaded in automobile with combustion engine, described noise level detects the engine speed detecting unit that presumption units also can have the revolution that detects described combustion engine, and sets described noise level according to the revolution of described detected combustion engine.
In addition, cooling system of the present invention is loaded on the automobile that has in the compartment with the voice output unit of scalable volume output sound, and described noise level detects presumption units also can set described noise level according to the volume adjustment state of described voice output unit.
In addition, in cooling system of the present invention, have the temperature correlation parameter detecting unit that detects the temperature correlation parameter relevant with the temperature of described electrical storage device, the switching requirement of described air supply pattern also can be, the requirement of making according to the temperature correlation parameter of described detection.Like this, just can use second air supply pattern as required.
In addition, in cooling system of the present invention, described electrical storage device also can for, can carry out the device of exchange of electric power with electrical motor with travelling of being equipped with of vehicle.
Any one of each above-mentioned embodiment cooling system of the present invention, this cooling system mainly is meant and is used to cool off the cooling system that is loaded in the electrical storage device on the automobile, it has: blowing unit, and it has air that sucks different places and a plurality of air supply patterns of blowing to described electrical storage device; The air supply pattern switch unit, it switches this a plurality of air supply patterns by each air-supply passage of described a plurality of air supply patterns is opened and cut off; Noise level detects presumption units, and it is used to detect or infers noise level in the compartment; Control unit, passing through described air supply pattern switch unit under the state of described electrical storage device air-supply, when the switching of receiving described air supply pattern requires, it is according to the noise level of described detection or supposition, controls described blowing unit and described air supply pattern switch unit switches described air supply pattern.
According to automobile of the present invention, owing to be mounted with cooling system of the present invention, thereby can play the effect identical with cooling system of the present invention, and for example, the uncomfortable feeling that the abnormal sound in the time of can suppressing that chaufeur and passenger brought electrical storage device owing to cooling accumulator etc. causes.
In the control method of cooling system of the present invention, described cooling system has: interior environment system, carry out the air regulation in the compartment; Blowing unit, it has air that sucks different places and a plurality of air supply patterns of blowing to the electrical storage device that is loaded on the automobile; The air supply pattern switch unit, it switches this a plurality of air supply patterns by each air-supply passage in described a plurality of air supply patterns is opened and cut off;
Described control method, is controlled described air supply pattern switch unit according to the noise level in the compartment and is switched described air supply pattern when the switching of receiving described air supply pattern requires passing through described air supply pattern switch unit under the state of described electrical storage device air-supply.
Control method according to cooling system of the present invention, switch unit by air supply pattern is under the state of electrical storage device air-supply, when the switching of receiving described air supply pattern requires, according to the noise level in compartment control blowing unit and air supply pattern switch unit to switch air supply pattern.Described air supply pattern switch unit is opened and is cut off to the air that sucks different places and to each air-supply passage of a plurality of air supply patterns of electrical storage device air-supply and switches and switch a plurality of air supply patterns.Owing to the noise in the compartment has been covered the abnormal sounds such as air-flow noise that the running of following the air supply pattern switch unit produces, so, just can suppress chaufeur and passenger are brought uncomfortable feeling by switching air supply pattern according to the noise level in the compartment.
Description of drawings
Fig. 1 is the schematic configuration diagram of hybrid vehicle 20 structures of expression embodiment.
Fig. 2 is the schematic configuration diagram of cooling system 60 structures of the storage battery 46 of expression embodiment.
Fig. 3 uses the diagram of circuit of an example of storage battery cooling processing program of electronic control unit 70 execution by the hybrid power of embodiment for expression.
Fig. 4 requires the instruction diagram of judgement with the example of MAP figure for the expression refrigerating mode.
Fig. 5 schemes for the MAP of an example concerning between the target storage battery air quantity Qb* during air-breathing mode in expression vehicle velocity V and the compartment.
The MAP figure of an A/C air quantity Qac when Fig. 6 is expression vehicle velocity V, A/C air-breathing mode and an example of the relation between the target storage battery air quantity Qb*.
Fig. 7 is the diagram of circuit of an example of mode switch processing.
The diagram of circuit of an example of the processing when Fig. 8 forbids for the expression switching.
Fig. 9 represent vehicle velocity V and target storage battery air quantity Qb* and mode switch with the switching of air door 68 could between the instruction diagram of an example of relation.
Figure 10 represents the diagram of circuit of an example of mode switch processing of Change Example.
Figure 11 is, when air-breathing mode switches to the A/C air-breathing mode in the compartment when vehicle velocity V is lower than regulation vehicle velocity V ref, storage battery with the air quantity of blowing engine 64 and A/C with the air quantity of blowing engine 55 and mode switch with the position of air door 68 through the time variation the instruction diagram of situation.
Figure 12 is, when vehicle velocity V is lower than regulation vehicle velocity V ref when the A/C air-breathing mode switches to air-breathing mode in the compartment, storage battery with the air quantity of blowing engine 64 and A/C with the air quantity of blowing engine 55 and mode switch with the position of air door 68 through the time variation the instruction diagram of situation.
The specific embodiment
Next, utilize embodiment that the specific embodiment of the present invention is described.
Fig. 1 is the structural representation constructional drawing of expression as the hybrid vehicle 20 of one embodiment of the invention, and Fig. 2 is the structural representation constructional drawing of the cooling system 60 of the storage battery 46 of expression embodiment.As shown in Figure 1, the hybrid vehicle 20 of embodiment comprises, driving engine 22; Sun and planet gear 28, its planetary gear carrier are connected on the bent axle 26 of driving engine 22, and internal gear is connected to by differential gear 31 and is connected on the axle drive shaft 34 on drive wheel 32a, the 32b; The electrical motor MG1 that can generate electricity, it is connected on the sun gear of sun and planet gear 28; Electrical motor MG2 is used for to axle drive shaft 34 inputs, outputting power; Storage battery 46, it carries out exchange of electric power by changer 42,44 and MG1, MG2; Air conditioning equipment (to call A/C in the following text) 50 is used for carrying out air regulation in the compartment 90; Cooling system 60, it can utilize the air cooling storage battery 46 by A/C 50 coolings; Sound system 89, it is installed in the control panel in operator's seat the place ahead in compartment 90, and the loud speaker 89a and the volume that have tuner (not shown) and be used for voice output are regulated button 89b etc.; Hybrid power is with electronic control unit 70, is used for the drive-system of control vehicle and controls the cooling system 60 of embodiment.
By signal from the various sensors of the running state that is used for detection of engine 22, for example, by driving engine with electronic control unit (below, be called Engine ECU) 24, driving engine 22 is received operation controls such as fuel injection control and Ignition Control and aspirated volume regulating control, and described Engine ECU 24 is used to import the crank position from the crank-position sensor 23 on the bent axle 26 that is installed in driving engine 22.Engine ECU 24 communicates with electronic control unit 70 with hybrid power, and by use the control signal of electronic control unit 70 from hybrid power, driving engine 22 is moved control, and as required to the data of hybrid power with relevant driving engine 22 running statees of electronic control unit 70 outputs.
Electrical motor MG1, MG2 are with electronic control unit (to call electrical motor ECU in the following text) 48 drive controlling by electrical motor.The necessary signals that is used for drive control motor MG1, MG2, for example, signal from the not shown position of rotation detecting sensor of the position of rotation that detects electrical motor MG1, MG2 rotor, and by not shown current sensor senses to the phase current on electrical motor MG1, the MG2 etc. that is applied in be imported among the electrical motor ECU48, from electrical motor ECU48 to changer 42,44 output switch control signals.Electrical motor ECU48 and hybrid power communicate with electronic control unit 70, and by with the control signal of electronic control unit 70 electrical motor MG1, MG2 being carried out drive controlling, and as required to the running state data of hybrid power with electronic control unit 70 output relevant electrical motor MG1, MG2 from hybrid power.
As Fig. 1 and shown in Figure 2, A/C 50 has, and compressor 51 is compressed into refrigerant the gas shape of High Temperature High Pressure; Condenser 52, it utilizes extraneous gas to make compressed refrigerant cools high-voltage liquid; Expansion valve 53, it sharply expands to the refrigerant that is cooled and makes the vaporific of low-temp low-pressure; Evaporator 54 carries out interchange of heat by refrigerant and the air that makes low-temp low-pressure, refrigerant is flashed to the gas shape of low-temp low-pressure; A/C blowing engine 55, it will be by cooled air is delivered to compartment 90 with the interchange of heat of evaporator 54; And, by driving A/C with blowing engine 55, across filter 57, from the inner air and outer air between inner air and extraneous air, switched with air door 56 aspirated airs, and by evaporator 54 with the suction air cooling and send into compartment 90.
A/C 50 is controlled with electronic control unit (to call A/C ECU in the following text) 59 by A/C.Be input to A/C ECU59 from temperature T in the railway carriage or compartment of detecting the temperature sensor 92 of temperature in the compartment 90 etc., and from A/C ECU59 output to the drive signal of compressor 51 and to A/C with the drive signal of blowing engine 55, to inner air and outer air switch with the drive signal of air door 56 and to the aftermentioned mode switch with the drive signal of air door 68 etc.A/C ECU59 and hybrid power are with the logical letters that carry out of electronic control unit 70, by from hybrid power with the control signal of electronic control unit 70 control A/C 50, and the running state data of relevant A/C 50 is sent to hybrid power usefulness electronic control unit 70.
Cooling system 60, can be by sucking the air in the compartment 90 and directly it being sent to storage battery 46 and cooling accumulator 46 (following this refrigerating mode is called the air-breathing mode railway carriage or compartment in), the perhaps air that cools off by the evaporator 54 that sucks by A/C 50 and be sent to storage battery 46 and cooling accumulator 46 (following this refrigerating mode is called the A/C air-breathing mode).As shown in Figure 2, cooling system 60 has, and airline 64 is used for open car 90 (inner air) and storage battery 46; Storage battery blowing engine 64, it is set on the airline 62, with the air-breathing storage battery 46 of delivering to; Branched pipe 66, it is used for and will imports to upstream one side of the storage battery of airline 62 with blowing engine 64 with blowing engine 55 and the part of air by evaporator 54 from A/C; Mode switch is with air door 68, and it is set at the part of converging of airline and branched pipe 66, carries out the selectivity switching between the cut-out of the cut-out of inner air and branched pipe 66.
Hybrid power is to be made of the microprocessor that is the center with CPU72 with electronic control unit 70, except CPU72 also has the ROM74 of storage processing program and temporarily stores the RAM76 of data, and not shown input/output port and communication port.Battery temperature Tb from the temperature sensor 47a that detects storage battery 46 temperature, charging and discharging currents Ib from the current sensor 47b on the lead-out terminal that is installed in storage battery 46, suction temperature Tbi near the temperature sensor 69 storage battery 46 inlets that are installed in the airline 62, ignition signal from ignition lock 80, drive range SP from the drive range sensor 82 that detects gear level 81 operating positions, acceleration aperture Acc from the accelerator pedal position sensor 84 that detects acceleration pedal 83 amounts of depressing, brake pedal position BP from the brake pedal position sensor 86 that detects brake pedal 85 amounts of depressing, vehicle velocity V from car speed sensor 88, the operation signal etc. of regulating button 89b from volume is input to this hybrid power with electronic control unit 70 by input port.In addition, with electronic control unit 70, use the drive signal of blowing engine 64 etc. from hybrid power to storage battery by output port output.As mentioned above, hybrid power is connected with Engine ECU 24, electrical motor ECU48, A/C ECU59 by communication port with electronic control unit 70, carries out the exchange of various control signals and data with Engine ECU 24, electrical motor ECU48, A/C ECU59.
Next, to the action of the hybrid vehicle 20 of the embodiment of formation like this, especially the action during cooling accumulator 46 describes.Fig. 3 is for representing by the diagram of circuit of hybrid power with an example of the storage battery cooling processing program of electronic control unit 70 execution.When by the detected battery temperature Tb of temperature sensor 47a when set point of temperature (for example 50 ℃) is above, this program is repeated to carry out with every specified time (for example every tens of msec).
When storage battery cooling processing program was performed, hybrid power was at first carried out input from the battery load Lb of the suction temperature Tbi of temperature sensor 69, storage battery 46, from the processing (step S100) of the necessary data of control of the vehicle velocity V of car speed sensor 88, the A/C air quantity Qac of A/C 50 etc. with the CPU72 of electronic control unit 70.At this moment, the battery load Lb of storage battery 46 for example can be by deriving the charge-discharge electric power of storage battery 46 (by the internal resistance value that square multiply by storage battery 46 of the detected charging and discharging currents Ib of current sensor 47b) with stipulated number, and these values are averaged and try to achieve.In addition, the A/C air quantity Qac of A/C 50 is as the air quantity that should blow side out to compartment 90 1, will be according to the setting air quantity of setting by the operator and design temperature, from the air quantity that temperature T in the railway carriage or compartment of temperature sensor 92 etc. sets, ECU59 imports by communication from A/C.
When input data like this, will judge that refrigerating mode requires (step S110) according to the suction temperature Tbi of input and battery load Lb and the current refrigerating mode Mc that is set.This judgement will require to judge with MAP figure according to suction temperature Tbi, battery load Lb and the current refrigerating mode Mc that is set and refrigerating mode to be carried out.Fig. 4 shows the example of refrigerating mode requirement judgement with MAP figure.Because suction temperature Tbi and battery load Lb can be used as the important parameter that influences storage battery 46 temperature (battery temperature Tb) and take in, therefore, when suction temperature Tbi, battery load Lb are big, the temperature of storage battery 46 will rise significantly, is necessary to promote that the cooling of storage battery requires the A/C air-breathing mode thereby then can be judged as; And when suction temperature Tbi, battery load Lb hour because the temperature of storage battery 46 can not rise significantly, there is no need to promote that the cooling of storage battery requires air-breathing mode in the railway carriage or compartment thereby then can be judged as.When the refrigerating mode Mc of the refrigerating mode Mc of current setting and this judgement not simultaneously, then require the switching of refrigerating mode Mc.
When requiring in the railway carriage or compartment air-breathing mode (step S120) as refrigerating mode Mc, setting according to the vehicle velocity V of input should be to the target storage battery air quantity Qb* (step S130) of storage battery 46 air-supplies, and the target storage battery air quantity Qb* drive controlling storage battery blowing engine 64 (step S180) to set, finish this program.At this, target storage battery air quantity Qb* in the railway carriage or compartment during air-breathing mode is, in an embodiment, obtain the relation between vehicle velocity V and the target storage battery air quantity Qb* in advance and be stored among the ROM74 as MAP figure, when providing vehicle velocity V, from the MAP figure of storage, derive cooresponding target storage battery air quantity Qb* and set.Fig. 5 shows the example of this MAP figure.When vehicle velocity V becomes big, the noise of enforcement also will become greatly, and the background noise of causing for chaufeur and passenger also will become big.On the other hand, because storage battery normally carries out under chaufeur and the careless situation of passenger with the driving of blowing engine 64, so storage battery if drive with big revolution, then can cause uncomfortable feeling and offending sensation for chaufeur and passenger because of driving sound with blowing engine 64.In an embodiment, consider by vehicle velocity V and become the background noise that increases greatly, can cover the driving sound of storage battery significantly with blowing engine 64, so by allowing to drive storage battery blowing engine 64 along with vehicle velocity V becomes the target storage battery air quantity Qb* that increases greatly, and then cause in the scope of uncomfortable feeling and offending sensation for chaufeur and passenger, drive storage battery with blowing engine 64, storage battery 46 is cooled off.
On the other hand, when requiring the A/C air-breathing mode (step S120) as refrigerating mode Mc, vehicle velocity V and A/C air quantity Qac and target setting storage battery air quantity Qb* (step S140) according to input, and to A/C ECU59 indication so that A/C air quantity Qac only increases the amount (step S150) of the target storage battery air quantity Qb* that is equivalent to set, and the target storage battery air quantity Qb* drive controlling storage battery blowing engine 64 (step S180) to set, finish this program.The A/C ECU59 that has accepted the increment indication only increases A/C air quantity Qac to be equivalent to the amount of target storage battery air quantity Qb* and drives A/C with blowing engine 55.Therefore, even blow with the air of blowing engine 55 air-supplies and to storage battery 46 by A/C, can any influence not arranged to the air regulations in the compartment 90 with target storage battery air quantity Qb* suction yet.At this, target storage battery air quantity Qb* during the A/C air-breathing mode is, in an embodiment, obtain the relation between vehicle velocity V and the target storage battery air quantity Qb* in advance and be stored among the ROM74 as MAP figure, when providing vehicle velocity V and A/C air quantity Qac, from the MAP figure of storage, derive cooresponding target storage battery air quantity Qb* and set.Fig. 6 shows the example of this MAP figure.As shown in the figure, even be same vehicle velocity V, compare with the target storage battery air quantity Qb* during air-breathing mode in the railway carriage or compartment, the target storage battery air quantity Qb* during the A/C air-breathing mode is set to less value.This is to drive A/C blowing engine 55 because only make A/C air quantity Qac increase the amount that is equivalent to target storage battery air quantity Qb* as mentioned above when the A/C air-breathing mode, compare with the driving sound of blowing engine 64 with storage battery, A/C will become greatly with the driving sound of blowing engine 55, thereby chaufeur and passenger feel uncomfortable feeling and offending sensation easily.
In step S120, when judgement has the switching requirement of refrigerating mode Mc, and judge and switch refrigerating mode Mc when not underway (S160), just begin mode switch and handle (step S170).Then, the drive controlling storage battery finishes this program with blowing engine 64 (step S180).Fig. 7 represents to pass through the diagram of circuit of the hybrid power of embodiment with an example of the mode switch processing of electronic control unit 70 and the execution of storage battery cooling processing program parallelization.Below, the details that mode switch is handled describes.
In mode switch was handled, at first, hybrid power was imported vehicle velocity V (step S200) with the CPU72 of electronic control unit 70, and the vehicle velocity V and the regulation vehicle velocity V ref of input compared (step S210).At this, using as regulation vehicle velocity V ref can be fully to cover because of mode switch being switched the wind noise level that produces with air door 68, the speed of a motor vehicle of trying to achieve in the experiment based on exercising noise.When judging that vehicle velocity V is when regulation vehicle velocity V ref is above, immediately mode switch is switched with air door 68 (S220) to A/C ECU59 indication, by the time the mode switch finishing switching (step S230) of air door 68, to be worth 1 and be set at finishing switching sign F (step S240), finish this processing then.When vehicle velocity V is big, also will become big based on the noise (background noise) of exercising, even therefore when mode switch is used the switching of air door 68, produce abnormal sounds such as wind noise, the abnormal sound that produces also can be covered by background noise, causes uncomfortable feeling and offending sensation can for chaufeur and passenger.In addition, the judgement that whether finishes with the switching of air door 68 for mode switch, can be by using in the switching of air door 68 in mode switch, judge whether to have passed through the time longer slightly, the detecting pattern switching perhaps is set carries out with the sensor of the position of air door 68 and according to judging from the signal of this sensor than the common needed time.On duty 1 when being set to finishing switching sign F, the switching that just is judged as refrigerating mode Mc finishes, then enter step S120 and till the switching that refrigerating mode Mc is arranged requires, carry out following each processing respectively: when being switched to railway carriage or compartment air-breathing mode, enter the processing of step S130 of the storage battery cooling processing program of Fig. 3, the processing that when being switched, enters step S140 to the A/C air-breathing mode.
On the other hand, when judging that vehicle velocity V is lower than regulation vehicle velocity V ref, prohibited mode switches the switching (switching of refrigerating mode Mc) (step S250) with air door 68, and execution graph 8 illustrative switchings handle (step S260) when forbidding, finishes this processing.Less based on the noise (background noise) of exercising like this, in the time of can not covering the wind noise that when switch mode switches with air door 68, produces, suppress the uncomfortable feeling and the offending sensation that cause to chaufeur and passenger by continuing to keep the current refrigerating mode Mc that is set.At this moment, when judging that the step S120 in the storage battery cooling processing program of Fig. 3 has the switching requirement of refrigerating mode Mc once more, and when judging in step S160 refrigerating mode Mc is not switching, just the mode switch of execution graph 7 is handled once more.Below, when being forbidden, the switching of Fig. 8 handles describing.
In the processing when switching is forbidden, the hybrid power CPU72 of electronic control unit 70, at first check the current refrigerating mode Mc (step S262) that is set, when being judged as when being set in the railway carriage or compartment air-breathing mode, target storage battery air quantity Qb* (based on vehicle velocity V and utilize the MAP figure of Fig. 5 and fixed value) is only increased specified amount Qb1 (step S264), when being judged as when being set at the A/C air-breathing mode, target storage battery air quantity Qb* (based on vehicle velocity V and A/C air quantity Qac and utilize the MAP figure of Fig. 6 and fixed value) is only reduced specified amount Qb2 (step S266), and to A/C ECU59 indication so that A/C air quantity Qac only increases the target storage battery air quantity Qb* (step S268) through decrement, finish this processing then.At this, specified amount Q1 is configured to, value storage battery can not bring the scope of uncomfortable feeling and unhappy sensation to chaufeur and passenger with the driving of blowing engine 64 in, and specified amount Q2 be configured to storage battery can cooling accumulator 46 needed minimal values with the driving of blowing engine 64.By so, even can remedy owing in the A/C air-breathing mode, need cooling accumulator 46, the cooling deficiency of the storage battery 46 that also continues to keep air-breathing mode in the railway carriage or compartment and cause, even suppress since in the railway carriage or compartment abundant cooling accumulator 46 in the air-breathing mode, also continue to keep the A/C air-breathing mode and the excess energy consumption of the A/C 50 that causes.
Hybrid vehicle 20 according to the embodiment of above explanation, by sucking air and the direct airline 62 of air-breathing mode in the railway carriage or compartment that storage battery 46 is blown in the compartment 90 with air door 68 by mode switch, and suck the air that cools off by A/C 50 and between the branched pipe 66 of the A/C air-breathing mode that storage battery 46 is blown, carry out selective rhizotomy, thereby switch refrigerating mode Mc, wherein, when the switching of receiving refrigerating mode Mc requires, when vehicle velocity V when regulation vehicle velocity V ref is above, the master mode switching switches to meet with air door 68 switches the refrigerating mode Mc that requires, when vehicle velocity V is lower than regulation vehicle velocity V ref, prohibited mode switches with the switching of air door 68 and keeps the current refrigerating mode Mc that is set, thereby can cover the abnormal sounds such as wind noise that produce with the switching of air door 68 along with mode switch by the noise that travels.Its result can suppress because of along with mode switch is brought uncomfortable feeling and offending sensation with the abnormal sounds such as wind noise that the switching of air door 68 produces to chaufeur and passenger.And, because when prohibited mode switches the switching of using air door 68, at the current refrigerating mode Mc that is set is target storage battery air quantity Qb* only to be increased specified amount Q1 during air-breathing mode in the railway carriage or compartment, and when the current refrigerating mode Mc that is set is the A/C air-breathing mode, target storage battery air quantity Qb* is only reduced specified amount Q2 and drive controlling storage battery blowing engine 64, thereby can suppress the cooling deficiency of storage battery 46 and the excess energy consumption of A/C 50.
In the hybrid vehicle 20 of embodiment, during the mode switch of Fig. 7 is handled, though be according to vehicle velocity V (based on the noise that travels) judgment model switch with the switching of air door 68 could, that also can consider to receive storage battery when mode switch requires with the switching of air door 68 judgment model is switched the switching of using air door 68 with the air quantity (target storage battery air quantity Qb*) of blowing engine 64 could.Because storage battery is used to predict the air quantity of contingent wind noise when switch mode switches with air door 68 with the air quantity of blowing engine 64, thereby can judge more exactly that can exercise noise cover the wind noise that takes place when switch mode switches with air door 68.Fig. 9 represents vehicle velocity V and target storage battery air quantity Qb* and could switch an example using the relation between the air door 68 by switch mode.
In the hybrid vehicle 20 of embodiment, during the mode switch of Fig. 7 is handled, when vehicle velocity V was lower than regulation vehicle velocity V ref, prohibited mode switched the switching with air door 68, but also can carry out the switching of mode switch with air door 68 again after temporary transient restriction storage battery is with the air quantity of blowing engine 64.Figure 10 represents the mode switch processing of the Change Example of this situation.In the mode switch of Figure 10 is handled, the hybrid power CPU72 of electronic control unit 70, at first import vehicle velocity V (step S300), and to the input vehicle velocity V and regulation vehicle velocity V ref compare (step S310), when judging that vehicle velocity V is when regulation vehicle velocity V ref is above, just indicate with the air door 68 (step S340) of switch mode switching immediately to A/C ECU59, by the time mode switch is with the finishing switching (step S350) of air door 68, to be worth 1 and be set at finishing switching sign F (step S360), finish this processing then.On the other hand, when judging that vehicle velocity V is lower than regulation vehicle velocity V ref, then storage battery is limited in specified amount Qlim with interior (step S320) with the target storage battery air quantity Qb* of blowing engine 64, by the time through making air-supply be reduced to the needed specified time of specified amount Qlim (step S330) to the reality of storage battery 46, just switch with air door 68 (step S340) with switch mode to A/C ECU59 indication, when mode switch is used the finishing switching of air door 68 (step S350), to be worth 1 and be set at finishing switching sign F (step S360), finish this processing then.At this, as specified amount Qlim, the air quantity of the wind noise control that will produce when switch mode switches with air door 68 in the scope of causing uncomfortable feeling and offending sensation for chaufeur and passenger is the data of utilizing experiment to try to achieve.Therefore, when less based on the noise that travels (background noise) and can not cover the wind noise that when switch mode switches with air door 68, produces the time, suppress the wind noise that produces with the switching of air door 68 along with mode switch by reducing storage battery with the target storage battery air quantity Qb* of blowing engine 64, thereby can suppress chaufeur and passenger are brought uncomfortable feeling and offending sensation.
Figure 11 represents when vehicle velocity V is lower than regulation vehicle velocity V ref, storage battery when air-breathing mode switches to the A/C air-breathing mode in the railway carriage or compartment with the air quantity of blowing engine 64 and A/C with the position of the air quantity of blowing engine 55 and mode switch usefulness air door 68 through the time changing condition, Figure 12 represents when vehicle velocity V is lower than regulation vehicle velocity V ref, the storage battery when the A/C air-breathing mode switches to air-breathing mode in the railway carriage or compartment with the air quantity of blowing engine 64 and A/C with the position of the air quantity of blowing engine 55 and mode switch usefulness air door 68 through the time changing condition.As shown in figure 11, when receiving that at the moment t1 air-breathing mode is when the switching of A/C air-breathing mode requires in the railway carriage or compartment, target storage battery air quantity Qb* with blowing engine 64 is limited in the specified amount Qlim with storage battery, at moment t2, mode switch is switched to the A/C air-breathing mode with air door 68, at the moment t3 of mode switch with the finishing switching of air door 68, the restriction of target storage battery air quantity Qb* is disengaged, and blows to storage battery 46 by the A/C air-breathing mode.In addition, as shown in figure 12, when receiving that at the moment t4 switching of air-breathing mode requires in the railway carriage or compartment from the A/C air-breathing mode, target storage battery air quantity Qb* with blowing engine 64 is limited in the specified amount Qlim with storage battery, and remove the increment of the A/C air quantity Qac of based target storage battery air quantity Qb*, at moment t5, mode switch is switched to air-breathing mode in the railway carriage or compartment with the position of air door 68, at the moment t6 of mode switch with the finishing switching of air door 68, the restriction of target storage battery air quantity Qb* is disengaged, and blows to storage battery 46 by air-breathing mode in the railway carriage or compartment.
In the hybrid vehicle 20 of embodiment, in handling when the switching of Fig. 8 is forbidden, when the switching of refrigerating mode Mc is under an embargo, in being the railway carriage or compartment, refrigerating mode Mc target storage battery air quantity Qb* is carried out increment during air-breathing mode, and refrigerating mode Mc carries out decrement to target storage battery air quantity Qb* when being the A/C air-breathing mode, but also can be, refrigerating mode Mc carries out increment to target storage battery air quantity Qb* during air-breathing mode in the railway carriage or compartment, and refrigerating mode Mc does not carry out decrement to target storage battery air quantity Qb* when being the A/C air-breathing mode, also can be, when refrigerating mode Mc is the A/C air-breathing mode target storage battery air quantity Qb* is carried out decrement, and refrigerating mode Mc does not carry out increment to target storage battery air quantity Qb* during air-breathing mode in the railway carriage or compartment, can also be, to target storage battery air quantity Qb* also decrement not of increment neither.
In the hybrid vehicle 20 of embodiment, consider with the noise (background noise) in the vehicle velocity V replacement compartment or as the detected value of inferring noise, but also can utilize other parameters that can replace noise in the compartment (background noise).For example, also can utilize by crank-position sensor 23 and detect and regulate the volume that button 89b is regulated through the revolution Ne of the driving engine 22 of computing or by the volume of sound system 89, also can for, by microphone being arranged in the compartment 90 and the noise level that utilizes set microphone actual detected to arrive.
In the hybrid vehicle 20 of embodiment, judge refrigerating mode Mc according to suction temperature Tbi and battery load Lb, but also can only judge refrigerating mode Mc according to suction temperature Tbi, also can be only judge refrigerating mode Mc, also can utilize other parameter such as battery temperature Tb and escalating rate thereof to judge refrigerating mode Mc according to battery load Lb.
In the hybrid vehicle 20 of embodiment, the refrigerating mode Mc of cooling system 60, have air that absorbs (compartment 90 in air) and direct air-breathing mode in the railway carriage or compartment of storage battery 46 air-supplies, with suck by the air of A/C 50 (evaporator 54) cooling and to the A/C air-breathing mode of storage battery 46 air-supplies, but so long as have the air of plural suction different places and get final product, for example can be to suck extraneous air and to the system of storage battery air-supply or the pattern that sucks the air in the baggage container and blow to storage battery to the system of the pattern of storage battery air-supply.
In an embodiment, cooling system 60 of the present invention be applied in hybrid vehicle 20 with driving engine 22 and sun and planet gear 28 and electrical motor MG1, MG2, with electrical motor MG1, MG2 carry out the cooling of the storage battery 46 of exchange of electric power, but also can be applied in addition hybrid vehicle carry out the cooling of electrical storage device of the storage battery etc. of exchange of electric power with electrical motor with travelling, also can be applied to as travel with propulsion source only have electrical motor automobile carry out the cooling of the electrical storage devices such as storage battery of exchange of electric power with electrical motor.In addition, also can be applied to driving engine can stop automatically with automatically actuated automobile in the cooling of electrical storage device when being used for starting automatically.
More than, utilize embodiment that embodiments of the present invention are illustrated, but the present invention is not limited to this, in the scope that does not break away from main points of the present invention, can implement in every way.
The present invention can be used in the manufacturing industry and the Automobile manufacturing industry of cooling system.

Claims (14)

1, a kind of cooling system is used to cool off the electrical storage device that is loaded on the automobile, has:
Blowing unit has air that sucks different places and a plurality of air supply patterns of blowing to described electrical storage device;
Switching is opened and cut off to the air supply pattern switch unit by each air-supply passage to described a plurality of air supply patterns, thereby switch these a plurality of air supply patterns;
Noise level detects presumption units, is used to detect or infers noise level in the compartment;
Control unit, passing through described air supply pattern switch unit under the state of described electrical storage device air-supply, when receiving that switching to described air supply pattern requires, according to the noise level of described detection or supposition, control described blowing unit and described air supply pattern switch unit switches described air supply pattern.
2, cooling system as claimed in claim 1, when the noise level of described detection or supposition when prescribed level is above, described control unit controls described blowing unit and described air supply pattern switch unit switches to the air supply pattern that meets described switching requirement; When the noise level of described detection or supposition was lower than described prescribed level, described control unit controlled that described blowing unit and described air supply pattern switch unit are ignored described switching requirement and the air supply pattern of keeping current setting.
3, cooling system as claimed in claim 1 has the interior environment system that carries out the air regulation in the compartment,
And described a plurality of air supply patterns comprise: suck in the compartment or also direct second air supply pattern of blowing to described electrical storage device via the air of described interior environment system cooling to first air supply pattern and the suction of described electrical storage device air-supply of the air outside the compartment.
4, cooling system as claimed in claim 3, when requiring to receive from described first air supply pattern when the switching of described second air supply pattern requires as described switching, if the noise level of described detection or supposition is more than prescribed level, described control unit controls described blowing unit and described air supply pattern switch unit switches to described second air supply pattern, if and the noise level of described detection or supposition is lower than described prescribed level, described control unit is controlled described blowing unit and described air supply pattern switch unit and is kept described first air supply pattern and increase air output to described electrical storage device.
5, cooling system as claimed in claim 3, when requiring to receive from described second air supply pattern when the switching of described first air supply pattern requires as described switching, if the noise level of described detection or supposition is more than prescribed level, described control unit controls described blowing unit and described air supply pattern switch unit switches to described first air supply pattern, if and the noise level of described detection or supposition is lower than described prescribed level, described control unit is controlled described blowing unit and described air supply pattern switch unit and is kept described second air supply pattern and reduce air output to described electrical storage device.
6, cooling system as claimed in claim 3, described second air supply pattern is, with the institute of the air regulation in compartment required airflow and the air quantity that needs air-supply to the air quantity sum of described electrical storage device, move described interior environment system, and suck need to be equivalent to air-supply to the air quantity of this electrical storage device, by the air of this interior environment system cooling and to the pattern of described electrical storage device air-supply.
7, cooling system as claimed in claim 1, when receiving that described switching requires, described control unit controls described blowing unit and described air supply pattern switch unit also switches described air supply pattern according to the air quantity to described electrical storage device air-supply.
8, cooling system as claimed in claim 1, described noise level detect presumption units and have the speed of a motor vehicle detecting unit that detects the speed of a motor vehicle, and set described noise level according to the described detected speed of a motor vehicle.
9, cooling system as claimed in claim 1 is loaded on the automobile with combustion engine,
Described noise level detects the engine revolution detecting unit that presumption units has the revolution that detects described combustion engine, and sets described noise level according to the revolution of described detected combustion engine.
10, cooling system as claimed in claim 1 is loaded on the automobile, has the voice output unit with adjustable volume output sound in this automobile bodies,
It is to set the unit of described noise level according to the volume adjustment state of described voice output unit that described noise level detects presumption units.
11, cooling system as claimed in claim 1,
Have temperature correlation parameter detecting unit, be used to detect the temperature correlation parameter relevant with the temperature of described electrical storage device,
The switching of described air supply pattern requires, the requirement of making according to the temperature correlation parameter of described detection.
12, cooling system as claimed in claim 1, described electrical storage device is for carrying out the device of exchange of electric power with travelling of being equipped with of vehicle with electrical motor.
13, a kind of automobile is mounted with as any described cooling system of claim 1 to 12.
14, a kind of control method of cooling system, described cooling system has: interior environment system, carry out the air regulation in the compartment; Blowing unit, it has air that sucks different places and a plurality of air supply patterns of blowing to the electrical storage device that is loaded on the automobile; The air supply pattern switch unit by switching is opened and cut off to each air-supply passage in described a plurality of air supply patterns, thereby switches these a plurality of air supply patterns,
Described control method, passing through described air supply pattern switch unit under the state of described electrical storage device air-supply, when the switching of receiving described air supply pattern requires,, control described air supply pattern switch unit and switch described air supply pattern according to the noise level in the compartment.
CN2007800111248A 2006-03-28 2007-03-27 Cooling system, automobile mounted with the system, and method of controlling cooling system Expired - Fee Related CN101410261B (en)

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PCT/JP2007/056404 WO2007116739A1 (en) 2006-03-28 2007-03-27 Cooling system, automobile mounted with the system, and method of controlling cooling system

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WO2007116739A1 (en) 2007-10-18
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